653316674 has 4 divisors (see below), whose sum is σ = 979975014. Its totient is φ = 326658336.

The previous prime is 653316667. The next prime is 653316683. The reversal of 653316674 is 476613356.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 587820025 + 65496649 = 24245^2 + 8093^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163329167 + ... + 163329170.

Almost surely, 2^653316674 is an apocalyptic number.

653316674 is a deficient number, since it is larger than the sum of its proper divisors (326658340).

653316674 is a wasteful number, since it uses less digits than its factorization.

653316674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326658339.

The product of its digits is 272160, while the sum is 41.

The square root of 653316674 is about 25560.0601329496. The cubic root of 653316674 is about 867.7099565727.

The spelling of 653316674 in words is "six hundred fifty-three million, three hundred sixteen thousand, six hundred seventy-four".